Andrew Healey.

Hey, I'm Andrew Healey. I'm a software engineer at Vercel, and I'm interested in the joy of computing. I've written 124,449 words on this open source website.

Recent (102 articles)

A Custom WebAssembly Compiler

Making my programming language 4000x quicker, and adding a static type checker.

Rendering Counter-Strike Demos in the Browser

Building a demo player for coaches and analysts to visualize CS2 gameplay.

Porting Boolrule To Rust

Building a fast boolean expression evaluation engine.


Profiling and Optimizing an Interpreter

Rewriting library code to speed up my interpreter benchmark by 28%.

GeoGuessing with Deep Learning

Applying photo geolocation estimation to the game of GeoGuessr.

Building My Own Chess Engine

Exploring the computational complexity of chess. Code snippets in Python so you can do the same.